#42898A
Closest named color: Dusty Teal (#4C9085). oklch(58.5% 0.071 196.6), rgb(66, 137, 138).
Aa
Black text reads best on this color (5.17:1).
About this color
#42898A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.071 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.027 away. Black text reads best on it, at 5.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #42898A |
| RGB | rgb(66, 137, 138) |
| HSL | hsl(181, 35%, 40%) |
| OKLCH | oklch(58.5% 0.071 196.6) |
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 #42898A | 4.05:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #42898A | 5.17:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #42898A text on white | 4.05:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #42898A text on black | 5.17:1 | AA | Lc -34.0 | 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 600.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDD
oklch(88.5% 0.018 196.8)
-
Step 300
300
#AAC7C7
oklch(80.8% 0.031 196.6)
-
Step 400
400
#7BABAB
oklch(70.7% 0.051 196.1)
-
Step 500
500
#569697
oklch(63.1% 0.066 196.9)
-
Step 600
600 (this color)
#42898A
oklch(58.5% 0.071 196.6)
-
Step 700
700
#2A6C6D
oklch(49% 0.066 196.6)
-
Step 800
800
#255859
oklch(42.6% 0.054 197.1)
-
Step 900
900
#234949
oklch(37.8% 0.043 195.5)
-
Step 950
950
#162B2B
oklch(27.2% 0.027 195.7)
#42898A 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) | #81838A | 0.074 |
| Deuteranopia (no green cones) | #757A8B | 0.070 |
| Tritanopia (no blue cones) | #0C8D89 | 0.028 |
| Achromatopsia (no color) | #7E7E7E | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42898A
#42898A
oklch(58.5% 0.071 196.6)
- #A26A6D
#A26A6D
oklch(58.5% 0.072 16)
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 #42898A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.027
- Dark Cyan #008B8B ΔE 0.029
- Teal Green #0A9396 ΔE 0.034
- Teal Blue #01889F ΔE 0.042
- Sea #3C9992 ΔE 0.046
- Teal #008080 ΔE 0.047
- Grey Blue #647D8E ΔE 0.050
- Steel Grey #6F828A ΔE 0.051
Use #42898A 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.