#457580
Closest named color: Metallic Blue (#4F738E). oklch(53.3% 0.055 214), rgb(69, 117, 128).
Aa
White text reads best on this color (5.11:1).
About this color
#457580 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.055 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.028 away. White text reads best on it, at 5.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #457580 |
| RGB | rgb(69, 117, 128) |
| HSL | hsl(191, 30%, 39%) |
| OKLCH | oklch(53.3% 0.055 214) |
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 #457580 | 5.11:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #457580 | 4.10:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #457580 text on white | 5.11:1 | AA | Lc 75.2 | Fine for body text |
| #457580 text on black | 4.10:1 | AA large text | Lc -26.6 | 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
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DCDF
oklch(88.6% 0.014 214.4)
-
Step 300
300
#AFC5CA
oklch(80.8% 0.025 212.9)
-
Step 400
400
#85A7B0
oklch(70.6% 0.039 215.7)
-
Step 500
500
#66929C
oklch(63.2% 0.05 213.4)
-
Step 600
600 (this color)
#457580
oklch(53.3% 0.055 214)
-
Step 700
700
#3D6872
oklch(49% 0.05 214.2)
-
Step 800
800
#32555D
oklch(42.6% 0.043 213.9)
-
Step 900
900
#2D464C
oklch(37.6% 0.032 214.4)
-
Step 950
950
#1A292D
oklch(26.9% 0.022 216.2)
#457580 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) | #6D7281 | 0.051 |
| Deuteranopia (no green cones) | #636B80 | 0.045 |
| Tritanopia (no blue cones) | #297978 | 0.031 |
| Achromatopsia (no color) | #6E6E6E | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #457580
#457580
oklch(53.3% 0.055 214)
- #896158
#896158
oklch(53.2% 0.054 33.1)
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 #457580, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.028
- Deep Aqua #08787F ΔE 0.037
- Ocean #017B92 ΔE 0.041
- Bluegreen #017A79 ΔE 0.043
- Cerulean #457B9D ΔE 0.045
- Dull Blue #49759C ΔE 0.046
- Teal #008080 ΔE 0.046
- Slate #516572 ΔE 0.047
Use #457580 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.