#456E77
Closest named color: Slate (#516572). oklch(51.2% 0.048 213.1), rgb(69, 110, 119).
Aa
White text reads best on this color (5.60:1).
About this color
#456E77 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.048 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.028 away. White text reads best on it, at 5.60:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #456E77 |
| RGB | rgb(69, 110, 119) |
| HSL | hsl(191, 27%, 37%) |
| OKLCH | oklch(51.2% 0.048 213.1) |
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 #456E77 | 5.60:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #456E77 | 3.74:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #456E77 text on white | 5.60:1 | AA | Lc 77.9 | Fine for body text |
| #456E77 text on black | 3.74:1 | AA large text | Lc -23.8 | 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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D0DBDE
oklch(88.4% 0.013 215.8)
-
Step 300
300
#B0C5CA
oklch(80.9% 0.024 213.6)
-
Step 400
400
#87A7AE
oklch(70.7% 0.037 212.5)
-
Step 500
500
#68919B
oklch(63% 0.047 214.5)
-
Step 600
600
#4F7C85
oklch(55.7% 0.051 211.6)
-
Step 700
700 (this color)
#456E77
oklch(51.2% 0.048 213.1)
-
Step 800
800
#34555C
oklch(42.7% 0.04 212.5)
-
Step 900
900
#2E464B
oklch(37.7% 0.031 212.1)
-
Step 950
950
#1B292C
oklch(27% 0.02 212.4)
#456E77 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) | #676B78 | 0.045 |
| Deuteranopia (no green cones) | #5F6577 | 0.041 |
| Tritanopia (no blue cones) | #307271 | 0.027 |
| Achromatopsia (no color) | #686868 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #456E77
#456E77
oklch(51.2% 0.048 213.1)
- #805D55
#805D55
oklch(51.3% 0.048 33.2)
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 #456E77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.028
- Metallic Blue #4F738E ΔE 0.040
- Deep Aqua #08787F ΔE 0.043
- Deep Turquoise #017374 ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.045
- Bluegreen #017A79 ΔE 0.049
- Dim Gray #696969 ΔE 0.049
- Dark Aqua #05696B ΔE 0.053
Use #456E77 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.