#7591DB
Closest named color: Cornflower Blue (#6495ED). oklch(66.6% 0.115 267.5), rgb(117, 145, 219).
Aa
Black text reads best on this color (6.82:1).
About this color
#7591DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.115 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.031 away. Black text reads best on it, at 6.82:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #7591DB |
| RGB | rgb(117, 145, 219) |
| HSL | hsl(224, 59%, 66%) |
| OKLCH | oklch(66.6% 0.115 267.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #7591DB | 3.07:1 | AA large text | Lc -62.9 | Content text, not long reading |
| Black text on #7591DB | 6.82:1 | AA | Lc 46.5 | Large or bold text, headings |
| #7591DB text on white | 3.07:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #7591DB text on black | 6.82:1 | AA | Lc -44.2 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B1C0E6
oklch(80.9% 0.056 268.2)
-
Step 400
400
#889FD9
oklch(70.7% 0.089 267.5)
-
Step 500
500 (this color)
#7591DB
oklch(66.6% 0.115 267.5)
-
Step 600
600
#536FBC
oklch(55.7% 0.124 267.3)
-
Step 700
700
#445CA2
oklch(49.1% 0.116 267.8)
-
Step 800
800
#384C84
oklch(42.8% 0.096 267.5)
-
Step 900
900
#303F69
oklch(37.6% 0.075 267.8)
-
Step 950
950
#1C253E
oklch(26.9% 0.049 268)
#7591DB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7698DE | 0.019 |
| Deuteranopia (no green cones) | #6B8FD9 | 0.014 |
| Tritanopia (no blue cones) | #4DA1AC | 0.104 |
| Achromatopsia (no color) | #939393 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7591DB
#7591DB
oklch(66.6% 0.115 267.5)
- #B28F34
#B28F34
oklch(66.6% 0.115 87.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #7591DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.031
- Perrywinkle #8F8CE7 ΔE 0.042
- Soft Blue #6488EA ΔE 0.042
- Chefchaouen Blue #4895EF ΔE 0.050
- Dark Sky Blue #448EE4 ΔE 0.053
- Faded Blue #658CBB ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.060
- Periwinkle Blue #8F99FB ΔE 0.062
Use #7591DB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.