#42918C
Closest named color: Dusty Teal (#4C9085). oklch(60.6% 0.078 189.7), rgb(66, 145, 140).
Aa
Black text reads best on this color (5.66:1).
About this color
#42918C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.078 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.012 away. Black text reads best on it, at 5.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #42918C |
| RGB | rgb(66, 145, 140) |
| HSL | hsl(176, 37%, 41%) |
| OKLCH | oklch(60.6% 0.078 189.7) |
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 #42918C | 3.70:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #42918C | 5.66:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #42918C text on white | 3.70:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #42918C text on black | 5.66:1 | AA | Lc -37.2 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDC
oklch(88.5% 0.022 189.5)
-
Step 300
300
#A5C9C6
oklch(80.9% 0.039 190.2)
-
Step 400
400
#73ADA9
oklch(70.7% 0.061 190.4)
-
Step 500
500 (this color)
#42918C
oklch(60.6% 0.078 189.7)
-
Step 600
600
#26837E
oklch(55.6% 0.085 189.8)
-
Step 700
700
#166F6A
oklch(49.1% 0.079 189.1)
-
Step 800
800
#175A57
oklch(42.6% 0.065 190.6)
-
Step 900
900
#1B4A47
oklch(37.6% 0.051 189.5)
-
Step 950
950
#122C2A
oklch(27.2% 0.032 188.9)
#42918C 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) | #8A8A8C | 0.083 |
| Deuteranopia (no green cones) | #7D818D | 0.077 |
| Tritanopia (no blue cones) | #00948F | 0.026 |
| Achromatopsia (no color) | #858585 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42918C
#42918C
oklch(60.6% 0.078 189.7)
- #AB6E77
#AB6E77
oklch(60.6% 0.078 10)
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 #42918C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.012
- Sea #3C9992 ΔE 0.023
- Teal Green #0A9396 ΔE 0.026
- Blue Green #0F9B8E ΔE 0.034
- Persian Green #2A9D8F ΔE 0.035
- Dark Cyan #008B8B ΔE 0.037
- Grey Teal #5E9B8A ΔE 0.043
- Dull Teal #5F9E8F ΔE 0.050
Use #42918C 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.