#457588
Closest named color: Metallic Blue (#4F738E). oklch(53.6% 0.06 225.4), rgb(69, 117, 136).
Aa
White text reads best on this color (5.05:1).
About this color
#457588 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.060 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.017 away. White text reads best on it, at 5.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #457588 |
| RGB | rgb(69, 117, 136) |
| HSL | hsl(197, 33%, 40%) |
| OKLCH | oklch(53.6% 0.06 225.4) |
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 #457588 | 5.05:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #457588 | 4.15:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #457588 text on white | 5.05:1 | AA | Lc 74.8 | Content text, not long reading |
| #457588 text on black | 4.15:1 | AA large text | Lc -26.9 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#CFDBE1
oklch(88.4% 0.015 229)
-
Step 300
300
#AFC5CE
oklch(81% 0.027 224.3)
-
Step 400
400
#84A7B5
oklch(70.7% 0.043 224.3)
-
Step 500
500
#6591A3
oklch(63.1% 0.055 225.4)
-
Step 600
600 (this color)
#457588
oklch(53.6% 0.06 225.4)
-
Step 700
700
#3C6879
oklch(49.2% 0.056 224.9)
-
Step 800
800
#325462
oklch(42.6% 0.046 226.2)
-
Step 900
900
#2C4650
oklch(37.7% 0.036 224.2)
-
Step 950
950
#1A292F
oklch(27% 0.023 224.8)
#457588 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) | #6B7389 | 0.047 |
| Deuteranopia (no green cones) | #616B88 | 0.043 |
| Tritanopia (no blue cones) | #237B7B | 0.042 |
| Achromatopsia (no color) | #6F6F6F | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #457588
#457588
oklch(53.6% 0.06 225.4)
- #8B6350
#8B6350
oklch(53.6% 0.06 46.4)
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 #457588, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.017
- Dull Blue #49759C ΔE 0.033
- Cerulean #457B9D ΔE 0.034
- Stormy Blue #507B9C ΔE 0.036
- Ocean #017B92 ΔE 0.038
- Sea Blue #047495 ΔE 0.042
- Deep Aqua #08787F ΔE 0.042
- Muted Blue #3B719F ΔE 0.043
Use #457588 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.