#5992E9
Closest named color: Cornflower Blue (#6495ED). oklch(66.1% 0.144 258.6), rgb(89, 146, 233).
Aa
Black text reads best on this color (6.71:1).
About this color
#5992E9 is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.144 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.016 away. Black text reads best on it, at 6.71:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.71:1 |
| White text | 3.12:1 |
Values
| HEX | #5992E9 |
| RGB | rgb(89, 146, 233) |
| HSL | hsl(216, 77%, 63%) |
| OKLCH | oklch(66.1% 0.144 258.6) |
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 #5992E9 | 3.12:1 | AA large text | Lc -63.5 | Content text, not long reading |
| Black text on #5992E9 | 6.71:1 | AA | Lc 46.0 | Large or bold text, headings |
| #5992E9 text on white | 3.12:1 | AA large text | Lc 58.1 | Large or bold text, headings |
| #5992E9 text on black | 6.71:1 | AA | Lc -43.7 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#CADAF3
oklch(88.4% 0.039 259.3)
-
Step 300
300
#A5C2EE
oklch(80.8% 0.07 258.6)
-
Step 400
400
#75A2E6
oklch(70.8% 0.112 258.4)
-
Step 500
500 (this color)
#5992E9
oklch(66.1% 0.144 258.6)
-
Step 600
600
#3471CD
oklch(55.7% 0.156 258.6)
-
Step 700
700
#265EB1
oklch(49.1% 0.145 258.5)
-
Step 800
800
#214D8F
oklch(42.7% 0.12 258.6)
-
Step 900
900
#204172
oklch(37.7% 0.093 258.2)
-
Step 950
950
#132643
oklch(26.9% 0.06 258.6)
#5992E9 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) | #6C99ED | 0.029 |
| Deuteranopia (no green cones) | #588BE7 | 0.019 |
| Tritanopia (no blue cones) | #00A6B2 | 0.121 |
| Achromatopsia (no color) | #929292 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5992E9
#5992E9
oklch(66.1% 0.144 258.6)
- #BF8600
#BF8600
oklch(66% 0.137 78.6)
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 #5992E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.016
- Chefchaouen Blue #4895EF ΔE 0.016
- Dark Sky Blue #448EE4 ΔE 0.024
- Soft Blue #6488EA ΔE 0.027
- Dodger Blue #1E90FF ΔE 0.050
- Perrywinkle #8F8CE7 ΔE 0.064
- Faded Blue #658CBB ΔE 0.068
- Lavender Blue #8B88F8 ΔE 0.068
Use #5992E9 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.