#589EAF
Closest named color: Cadet Blue (#5F9EA0). oklch(66% 0.075 215.3), rgb(88, 158, 175).
Aa
Black text reads best on this color (6.92:1).
About this color
#589EAF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.075 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.023 away. Black text reads best on it, at 6.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.92:1 |
| White text | 3.03:1 |
Values
| HEX | #589EAF |
| RGB | rgb(88, 158, 175) |
| HSL | hsl(192, 35%, 52%) |
| OKLCH | oklch(66% 0.075 215.3) |
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 #589EAF | 3.03:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #589EAF | 6.92:1 | AA | Lc 47.1 | Large or bold text, headings |
| #589EAF text on white | 3.03:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #589EAF text on black | 6.92:1 | AA | Lc -44.8 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A7C7D0
oklch(80.9% 0.037 216.6)
-
Step 400
400
#76AAB8
oklch(70.6% 0.058 216.4)
-
Step 500
500 (this color)
#589EAF
oklch(66% 0.075 215.3)
-
Step 600
600
#2E7F91
oklch(55.5% 0.081 215.3)
-
Step 700
700
#206B7C
oklch(49% 0.076 216.2)
-
Step 800
800
#1D5865
oklch(42.8% 0.063 215.2)
-
Step 900
900
#1F4852
oklch(37.7% 0.049 216)
-
Step 950
950
#132A30
oklch(26.9% 0.031 216.7)
#589EAF 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) | #929AB0 | 0.067 |
| Deuteranopia (no green cones) | #8490AF | 0.060 |
| Tritanopia (no blue cones) | #26A5A3 | 0.045 |
| Achromatopsia (no color) | #949494 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #589EAF
#589EAF
oklch(66% 0.075 215.3)
- #BB8273
#BB8273
oklch(66% 0.075 35.3)
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 #589EAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.023
- Greyblue #77A1B5 ΔE 0.036
- Dull Teal #5F9E8F ΔE 0.048
- Blue Grey #758DA3 ΔE 0.052
- Sea #3C9992 ΔE 0.052
- Grey Teal #5E9B8A ΔE 0.053
- Bluegrey #85A3B2 ΔE 0.053
- Silver Lake Blue #778DA9 ΔE 0.054
Use #589EAF 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.