#42907D
Closest named color: Dusty Teal (#4C9085). oklch(59.9% 0.083 175.1), rgb(66, 144, 125).
Aa
Black text reads best on this color (5.51:1).
About this color
#42907D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.083 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.016 away. Black text reads best on it, at 5.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #42907D |
| RGB | rgb(66, 144, 125) |
| HSL | hsl(165, 37%, 41%) |
| OKLCH | oklch(59.9% 0.083 175.1) |
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 #42907D | 3.80:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #42907D | 5.51:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #42907D text on white | 3.80:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #42907D text on black | 5.51:1 | AA | Lc -36.3 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CBDED8
oklch(88.5% 0.022 174.9)
-
Step 300
300
#A6CABF
oklch(81% 0.041 174.7)
-
Step 400
400
#75AE9E
oklch(70.7% 0.064 174.9)
-
Step 500
500 (this color)
#42907D
oklch(59.9% 0.083 175.1)
-
Step 600
600
#2A8470
oklch(55.5% 0.09 175)
-
Step 700
700
#1A705E
oklch(49.1% 0.084 175.1)
-
Step 800
800
#1A5B4D
oklch(42.6% 0.069 175.6)
-
Step 900
900
#1D4B40
oklch(37.7% 0.054 175.1)
-
Step 950
950
#122C25
oklch(27% 0.035 173.9)
#42907D 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) | #8B887C | 0.086 |
| Deuteranopia (no green cones) | #7F7F7E | 0.082 |
| Tritanopia (no blue cones) | #1A928A | 0.025 |
| Achromatopsia (no color) | #838383 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42907D
#42907D
oklch(59.9% 0.083 175.1)
- #A76B82
#A76B82
oklch(59.9% 0.082 355.3)
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 #42907D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.016
- Sea #3C9992 ΔE 0.034
- Ocean Green #3D9973 ΔE 0.035
- Blue Green #0F9B8E ΔE 0.036
- Slate Green #658D6D ΔE 0.037
- Persian Green #2A9D8F ΔE 0.039
- Teal Green #0A9396 ΔE 0.040
- Dark Cyan #008B8B ΔE 0.041
Use #42907D 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.