#599AE6
Closest named color: Cornflower Blue (#6495ED). oklch(67.6% 0.132 253.5), rgb(89, 154, 230).
Aa
Black text reads best on this color (7.18:1).
About this color
#599AE6 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.132 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.021 away. Black text reads best on it, at 7.18:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.18:1 |
| White text | 2.92:1 |
Values
| HEX | #599AE6 |
| RGB | rgb(89, 154, 230) |
| HSL | hsl(212, 74%, 63%) |
| OKLCH | oklch(67.6% 0.132 253.5) |
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 #599AE6 | 2.92:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #599AE6 | 7.18:1 | AAA | Lc 48.7 | Large or bold text, headings |
| #599AE6 text on white | 2.92:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #599AE6 text on black | 7.18:1 | AAA | Lc -46.4 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C5DCF7
oklch(88.6% 0.045 252.5)
-
Step 300
300
#9CC4F5
oklch(80.9% 0.082 253.8)
-
Step 400
400 (this color)
#599AE6
oklch(67.6% 0.132 253.5)
-
Step 500
500
#308AEB
oklch(63% 0.168 253.5)
-
Step 600
600
#0072D5
oklch(55.5% 0.175 253.6)
-
Step 700
700
#0060B5
oklch(49.2% 0.155 253.6)
-
Step 800
800
#004E95
oklch(42.6% 0.134 253.6)
-
Step 900
900
#0A427A
oklch(37.8% 0.11 253.4)
-
Step 950
950
#092747
oklch(27% 0.069 253.1)
#599AE6 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) | #7A9EE9 | 0.038 |
| Deuteranopia (no green cones) | #6791E4 | 0.025 |
| Tritanopia (no blue cones) | #00ABB5 | 0.108 |
| Achromatopsia (no color) | #979797 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #599AE6
#599AE6
oklch(67.6% 0.132 253.5)
- #C78925
#C78925
oklch(67.6% 0.132 73.7)
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 #599AE6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.021
- Chefchaouen Blue #4895EF ΔE 0.026
- Dark Sky Blue #448EE4 ΔE 0.040
- Soft Blue #6488EA ΔE 0.049
- Dodger Blue #1E90FF ΔE 0.063
- Faded Blue #658CBB ΔE 0.067
- Perrywinkle #8F8CE7 ΔE 0.069
- Periwinkle Blue #8F99FB ΔE 0.071
Use #599AE6 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.