#6594EE
Closest named color: Cornflower Blue (#6495ED). oklch(67.4% 0.143 262.3), rgb(101, 148, 238).
Aa
Black text reads best on this color (7.02:1).
About this color
#6594EE is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.143 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.003 away. Black text reads best on it, at 7.02:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.02:1 |
| White text | 2.98:1 |
Values
| HEX | #6594EE |
| RGB | rgb(101, 148, 238) |
| HSL | hsl(219, 80%, 66%) |
| OKLCH | oklch(67.4% 0.143 262.3) |
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 #6594EE | 2.98:1 | Fails | Lc -61.7 | Content text, not long reading |
| Black text on #6594EE | 7.02:1 | AAA | Lc 47.7 | Large or bold text, headings |
| #6594EE text on white | 2.98:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #6594EE text on black | 7.02:1 | AAA | Lc -45.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A1C1FB
oklch(80.8% 0.09 262.1)
-
Step 400
400 (this color)
#6594EE
oklch(67.4% 0.143 262.3)
-
Step 500
500
#4983F7
oklch(63.1% 0.184 262.4)
-
Step 600
600
#2C69E5
oklch(55.5% 0.199 262.3)
-
Step 700
700
#2057C7
oklch(49.1% 0.184 262.3)
-
Step 800
800
#1C48A1
oklch(42.8% 0.153 262.3)
-
Step 900
900
#1C3D80
oklch(37.7% 0.12 262.5)
-
Step 950
950
#11244B
oklch(26.9% 0.077 262.8)
#6594EE 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) | #6E9CF2 | 0.025 |
| Deuteranopia (no green cones) | #5C8FEC | 0.017 |
| Tritanopia (no blue cones) | #00A8B6 | 0.126 |
| Achromatopsia (no color) | #959595 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6594EE
#6594EE
oklch(67.4% 0.143 262.3)
- #C08C00
#C08C00
oklch(67.3% 0.139 82.1)
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 #6594EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.003
- Chefchaouen Blue #4895EF ΔE 0.026
- Soft Blue #6488EA ΔE 0.031
- Dark Sky Blue #448EE4 ΔE 0.040
- Perrywinkle #8F8CE7 ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.057
- Periwinkle Blue #8F99FB ΔE 0.058
- Dodger Blue #1E90FF ΔE 0.058
Use #6594EE 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.