#457A6E
Closest named color: Bluegreen (#017A79). oklch(53.9% 0.06 177.7), rgb(69, 122, 110).
Aa
White text reads best on this color (4.92:1).
About this color
#457A6E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.060 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.039 away. White text reads best on it, at 4.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #457A6E |
| RGB | rgb(69, 122, 110) |
| HSL | hsl(166, 28%, 37%) |
| OKLCH | oklch(53.9% 0.06 177.7) |
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 #457A6E | 4.92:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #457A6E | 4.26:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #457A6E text on white | 4.92:1 | AA | Lc 74.0 | Content text, not long reading |
| #457A6E text on black | 4.26:1 | AA large text | Lc -27.7 | 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 600.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECEA
oklch(93.7% 0.008 177.3)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AFC7C0
oklch(81% 0.028 176.2)
-
Step 400
400
#84AAA0
oklch(70.7% 0.044 177.1)
-
Step 500
500
#649589
oklch(63.1% 0.056 177.3)
-
Step 600
600 (this color)
#457A6E
oklch(53.9% 0.06 177.7)
-
Step 700
700
#3B6B60
oklch(49% 0.056 177.4)
-
Step 800
800
#31574F
oklch(42.6% 0.046 179)
-
Step 900
900
#2C4841
oklch(37.7% 0.036 176.7)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#457A6E 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) | #76746E | 0.064 |
| Deuteranopia (no green cones) | #6D6E6F | 0.060 |
| Tritanopia (no blue cones) | #327B76 | 0.018 |
| Achromatopsia (no color) | #707070 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #457A6E
#457A6E
oklch(53.9% 0.06 177.7)
- #8B606E
#8B606E
oklch(53.9% 0.059 358.1)
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 #457A6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.039
- Teal #008080 ΔE 0.040
- Deep Aqua #08787F ΔE 0.044
- Dark Aquamarine #017371 ΔE 0.048
- Deep Turquoise #017374 ΔE 0.049
- Dark Cyan #008B8B ΔE 0.058
- Battleship Gray #6C757D ΔE 0.059
- Dark Sage #598556 ΔE 0.060
Use #457A6E 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.