#59A3C8
Closest named color: Greyblue (#77A1B5). oklch(68.2% 0.092 232), rgb(89, 163, 200).
Aa
Black text reads best on this color (7.49:1).
About this color
#59A3C8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.092 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.038 away. Black text reads best on it, at 7.49:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.49:1 |
| White text | 2.80:1 |
Values
| HEX | #59A3C8 |
| RGB | rgb(89, 163, 200) |
| HSL | hsl(200, 50%, 57%) |
| OKLCH | oklch(68.2% 0.092 232) |
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 #59A3C8 | 2.80:1 | Fails | Lc -59.0 | Large or bold text, headings |
| Black text on #59A3C8 | 7.49:1 | AAA | Lc 50.3 | Large or bold text, headings |
| #59A3C8 text on white | 2.80:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #59A3C8 text on black | 7.49:1 | AAA | Lc -48.1 | 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
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C5DDEB
oklch(88.4% 0.032 233.3)
-
Step 300
300
#9CC8E0
oklch(81% 0.057 232.2)
-
Step 400
400 (this color)
#59A3C8
oklch(68.2% 0.092 232)
-
Step 500
500
#2795C4
oklch(63.1% 0.117 232.1)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#014863
oklch(37.7% 0.076 232)
-
Step 950
950
#072A3A
oklch(26.9% 0.049 232.7)
#59A3C8 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) | #91A1CA | 0.062 |
| Deuteranopia (no green cones) | #8195C7 | 0.054 |
| Tritanopia (no blue cones) | #00ADAF | 0.068 |
| Achromatopsia (no color) | #9A9A9A | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59A3C8
#59A3C8
oklch(68.2% 0.092 232)
- #C68963
#C68963
oklch(68.2% 0.091 52.5)
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 #59A3C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.038
- Turquoise Blue #06B1C4 ΔE 0.053
- Bluegrey #85A3B2 ΔE 0.054
- Cadet Blue #5F9EA0 ΔE 0.058
- Bluey Grey #89A0B0 ΔE 0.058
- Faded Blue #658CBB ΔE 0.062
- Cool Gray #8D99AE ΔE 0.065
- Silver Lake Blue #778DA9 ΔE 0.068
Use #59A3C8 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.