#588FA7
Closest named color: Dusty Blue (#5A86AD). oklch(62.1% 0.068 227.7), rgb(88, 143, 167).
Aa
Black text reads best on this color (5.90:1).
About this color
#588FA7 is a medium-light, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.068 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.030 away. Black text reads best on it, at 5.90:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.90:1 |
| White text | 3.55:1 |
Values
| HEX | #588FA7 |
| RGB | rgb(88, 143, 167) |
| HSL | hsl(198, 31%, 50%) |
| OKLCH | oklch(62.1% 0.068 227.7) |
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 #588FA7 | 3.55:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #588FA7 | 5.90:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #588FA7 text on white | 3.55:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #588FA7 text on black | 5.90:1 | AA | Lc -38.6 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300
#ABC5D2
oklch(80.8% 0.034 229.4)
-
Step 400
400
#7DA8BB
oklch(70.7% 0.054 227)
-
Step 500
500 (this color)
#588FA7
oklch(62.1% 0.068 227.7)
-
Step 600
600
#3F7C96
oklch(55.6% 0.075 228.1)
-
Step 700
700
#30687F
oklch(49% 0.069 227.6)
-
Step 800
800
#295568
oklch(42.7% 0.058 228.5)
-
Step 900
900
#264654
oklch(37.6% 0.045 228.1)
-
Step 950
950
#172931
oklch(26.9% 0.028 227.9)
#588FA7 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) | #828DA8 | 0.051 |
| Deuteranopia (no green cones) | #7784A7 | 0.046 |
| Tritanopia (no blue cones) | #329697 | 0.048 |
| Achromatopsia (no color) | #888888 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588FA7
#588FA7
oklch(62.1% 0.068 227.7)
- #A97A62
#A97A62
oklch(62% 0.069 48.1)
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 #588FA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.030
- Blue Grey #758DA3 ΔE 0.033
- Silver Lake Blue #778DA9 ΔE 0.036
- Off Blue #5684AE ΔE 0.037
- Faded Blue #658CBB ΔE 0.038
- Light Slate Gray #778899 ΔE 0.040
- Steel #738595 ΔE 0.041
- Cool Blue #4984B8 ΔE 0.050
Use #588FA7 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.