#59989B
Closest named color: Cadet Blue (#5F9EA0). oklch(63.9% 0.065 199.6), rgb(89, 152, 155).
Aa
Black text reads best on this color (6.38:1).
About this color
#59989B is a medium-light, muted teal or cyan. In OKLCH its lightness is 64%, its chroma 0.065 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.019 away. Black text reads best on it, at 6.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.38:1 |
| White text | 3.28:1 |
Values
| HEX | #59989B |
| RGB | rgb(89, 152, 155) |
| HSL | hsl(183, 27%, 48%) |
| OKLCH | oklch(63.9% 0.065 199.6) |
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 #59989B | 3.28:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #59989B | 6.38:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #59989B text on white | 3.28:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #59989B text on black | 6.38:1 | AA | Lc -41.6 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDE
oklch(88.5% 0.018 201.1)
-
Step 300
300
#AAC7C8
oklch(80.9% 0.031 199.1)
-
Step 400
400
#7BABAD
oklch(70.8% 0.051 199.3)
-
Step 500
500 (this color)
#59989B
oklch(63.9% 0.065 199.6)
-
Step 600
600
#398083
oklch(55.6% 0.071 199.1)
-
Step 700
700
#2B6C6F
oklch(49.1% 0.065 199.4)
-
Step 800
800
#25585B
oklch(42.7% 0.054 200.5)
-
Step 900
900
#24494A
oklch(37.8% 0.042 197.8)
-
Step 950
950
#162A2B
oklch(26.9% 0.026 199.8)
#59989B 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) | #90939B | 0.067 |
| Deuteranopia (no green cones) | #848A9B | 0.062 |
| Tritanopia (no blue cones) | #3A9C99 | 0.027 |
| Achromatopsia (no color) | #8E8E8E | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59989B
#59989B
oklch(63.9% 0.065 199.6)
- #B07C7C
#B07C7C
oklch(63.9% 0.065 19)
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 #59989B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.019
- Sea #3C9992 ΔE 0.030
- Dull Teal #5F9E8F ΔE 0.030
- Grey Teal #5E9B8A ΔE 0.030
- Dusty Teal #4C9085 ΔE 0.040
- Persian Green #2A9D8F ΔE 0.044
- Blue Grey #758DA3 ΔE 0.048
- Blue Green #0F9B8E ΔE 0.051
Use #59989B 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.