#425964
Closest named color: YInMn Blue (#415A77). oklch(45% 0.033 228.9), rgb(66, 89, 100).
Aa
White text reads best on this color (7.38:1).
About this color
#425964 is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.033 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.031 away. White text reads best on it, at 7.38:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #425964 |
| RGB | rgb(66, 89, 100) |
| HSL | hsl(199, 20%, 33%) |
| OKLCH | oklch(45% 0.033 228.9) |
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 #425964 | 7.38:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #425964 | 2.84:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #425964 text on white | 7.38:1 | AAA | Lc 85.6 | Fine for body text |
| #425964 text on black | 2.84:1 | Fails | Lc -16.4 | Dividers and decoration only |
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 800.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D2DBDF
oklch(88.6% 0.011 226)
-
Step 300
300
#B4C3CB
oklch(80.8% 0.02 230.8)
-
Step 400
400
#8DA5B0
oklch(70.7% 0.031 227.2)
-
Step 500
500
#718F9D
oklch(63.2% 0.04 228)
-
Step 600
600
#597988
oklch(55.7% 0.043 228.5)
-
Step 700
700
#496573
oklch(49% 0.04 230.2)
-
Step 800
800 (this color)
#425964
oklch(45% 0.033 228.9)
-
Step 900
900
#33444D
oklch(37.6% 0.027 231.4)
-
Step 950
950
#1E282D
oklch(27% 0.017 229.8)
#425964 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) | #535865 | 0.024 |
| Deuteranopia (no green cones) | #4E5464 | 0.022 |
| Tritanopia (no blue cones) | #375C5C | 0.023 |
| Achromatopsia (no color) | #565656 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425964
#425964
oklch(45% 0.033 228.9)
- #655045
#655045
oklch(45% 0.033 49.1)
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 #425964, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.031
- Dusty Grape #545775 ΔE 0.041
- Slate #516572 ΔE 0.046
- Petrol #005F6A ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.055
- Dusk #4E5481 ΔE 0.058
- Dark Aqua #05696B ΔE 0.059
Use #425964 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.