#457D78
Closest named color: Teal (#008080). oklch(55% 0.06 188.2), rgb(69, 125, 120).
Aa
White text reads best on this color (4.71:1).
About this color
#457D78 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.060 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.035 away. White text reads best on it, at 4.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.45:1 |
| White text | 4.71:1 |
Values
| HEX | #457D78 |
| RGB | rgb(69, 125, 120) |
| HSL | hsl(175, 29%, 38%) |
| OKLCH | oklch(55% 0.06 188.2) |
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 #457D78 | 4.71:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #457D78 | 4.45:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #457D78 text on white | 4.71:1 | AA | Lc 72.6 | Content text, not long reading |
| #457D78 text on black | 4.45:1 | AA large text | Lc -29.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CFDCDB
oklch(88.4% 0.014 191.4)
-
Step 300
300
#AEC7C4
oklch(81% 0.027 187.9)
-
Step 400
400
#82AAA6
oklch(70.8% 0.044 188.6)
-
Step 500
500
#629590
oklch(63.2% 0.055 188.1)
-
Step 600
600 (this color)
#457D78
oklch(55% 0.06 188.2)
-
Step 700
700
#386B67
oklch(49.1% 0.055 188.9)
-
Step 800
800
#2F5754
oklch(42.6% 0.046 189.4)
-
Step 900
900
#2A4845
oklch(37.7% 0.036 187.7)
-
Step 950
950
#192A28
oklch(26.9% 0.023 186.7)
#457D78 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) | #787878 | 0.064 |
| Deuteranopia (no green cones) | #6E7079 | 0.061 |
| Tritanopia (no blue cones) | #2C7F7B | 0.019 |
| Achromatopsia (no color) | #737373 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #457D78
#457D78
oklch(55% 0.06 188.2)
- #91636B
#91636B
oklch(55.1% 0.061 7.8)
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 #457D78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.035
- Bluegreen #017A79 ΔE 0.040
- Deep Aqua #08787F ΔE 0.043
- Dark Cyan #008B8B ΔE 0.048
- Battleship Grey #6B7C85 ΔE 0.052
- Grey Blue #647D8E ΔE 0.053
- Battleship Gray #6C757D ΔE 0.053
- Ocean #017B92 ΔE 0.053
Use #457D78 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.