#457D90
Closest named color: Cerulean (#457B9D). oklch(55.9% 0.066 222.1), rgb(69, 125, 144).
Aa
Black text reads best on this color (4.58:1).
About this color
#457D90 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 56%, its chroma 0.066 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.023 away. Black text reads best on it, at 4.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #457D90 |
| RGB | rgb(69, 125, 144) |
| HSL | hsl(195, 35%, 42%) |
| OKLCH | oklch(55.9% 0.066 222.1) |
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 #457D90 | 4.57:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #457D90 | 4.58:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #457D90 text on white | 4.57:1 | AA | Lc 71.7 | Content text, not long reading |
| #457D90 text on black | 4.58:1 | AA | Lc -30.0 | 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 600.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE1
oklch(88.5% 0.017 221.1)
-
Step 300
300
#ADC5CE
oklch(80.8% 0.029 222.4)
-
Step 400
400
#80A8B6
oklch(70.7% 0.048 221.4)
-
Step 500
500
#5F92A4
oklch(63.1% 0.061 222.3)
-
Step 600
600 (this color)
#457D90
oklch(55.9% 0.066 222.1)
-
Step 700
700
#35697A
oklch(49.2% 0.062 221.7)
-
Step 800
800
#2D5563
oklch(42.6% 0.051 222.9)
-
Step 900
900
#294651
oklch(37.6% 0.04 224.2)
-
Step 950
950
#18292F
oklch(26.9% 0.025 222.2)
#457D90 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) | #727A91 | 0.054 |
| Deuteranopia (no green cones) | #677290 | 0.048 |
| Tritanopia (no blue cones) | #188383 | 0.043 |
| Achromatopsia (no color) | #757575 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #457D90
#457D90
oklch(55.9% 0.066 222.1)
- #966755
#966755
oklch(55.8% 0.067 41.8)
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 #457D90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.023
- Stormy Blue #507B9C ΔE 0.025
- Metallic Blue #4F738E ΔE 0.030
- Grey Blue #647D8E ΔE 0.035
- Dull Blue #49759C ΔE 0.035
- Ocean #017B92 ΔE 0.037
- Teal Blue #01889F ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.045
Use #457D90 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.