#589EC8
Closest named color: Greyblue (#77A1B5). oklch(67% 0.094 236.8), rgb(88, 158, 200).
Aa
Black text reads best on this color (7.13:1).
About this color
#589EC8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.094 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.044 away. Black text reads best on it, at 7.13:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.13:1 |
| White text | 2.94:1 |
Values
| HEX | #589EC8 |
| RGB | rgb(88, 158, 200) |
| HSL | hsl(203, 50%, 56%) |
| OKLCH | oklch(67% 0.094 236.8) |
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 #589EC8 | 2.94:1 | Fails | Lc -61.1 | Content text, not long reading |
| Black text on #589EC8 | 7.13:1 | AAA | Lc 48.3 | Large or bold text, headings |
| #589EC8 text on white | 2.94:1 | Fails | Lc 55.7 | Large or bold text, headings |
| #589EC8 text on black | 7.13:1 | AAA | Lc -46.1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDEC
oklch(88.5% 0.032 236.4)
-
Step 300
300
#9DC7E2
oklch(80.9% 0.059 236.7)
-
Step 400
400 (this color)
#589EC8
oklch(67% 0.094 236.8)
-
Step 500
500
#2E93C9
oklch(63.1% 0.121 237.1)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#074766
oklch(37.7% 0.079 237.1)
-
Step 950
950
#092A3C
oklch(27.1% 0.05 237)
#589EC8 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) | #8B9DCA | 0.057 |
| Deuteranopia (no green cones) | #7B91C7 | 0.049 |
| Tritanopia (no blue cones) | #00A9AC | 0.073 |
| Achromatopsia (no color) | #969696 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #589EC8
#589EC8
oklch(67% 0.094 236.8)
- #C2865A
#C2865A
oklch(67.1% 0.095 56.6)
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 #589EC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.044
- Faded Blue #658CBB ΔE 0.049
- Silver Lake Blue #778DA9 ΔE 0.060
- Cadet Blue #5F9EA0 ΔE 0.061
- Bluegrey #85A3B2 ΔE 0.062
- Turquoise Blue #06B1C4 ΔE 0.063
- Bluey Grey #89A0B0 ΔE 0.064
- Blue Grey #758DA3 ΔE 0.064
Use #589EC8 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.