#457573
Closest named color: Deep Aqua (#08787F). oklch(52.8% 0.052 192.3), rgb(69, 117, 115).
Aa
White text reads best on this color (5.19:1).
About this color
#457573 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.052 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.037 away. White text reads best on it, at 5.19:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #457573 |
| RGB | rgb(69, 117, 115) |
| HSL | hsl(178, 26%, 36%) |
| OKLCH | oklch(52.8% 0.052 192.3) |
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 #457573 | 5.19:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #457573 | 4.04:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #457573 text on white | 5.19:1 | AA | Lc 75.6 | Fine for body text |
| #457573 text on black | 4.04:1 | AA large text | Lc -26.1 | 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
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDB
oklch(88.5% 0.013 190.9)
-
Step 300
300
#B0C6C4
oklch(80.9% 0.024 190)
-
Step 400
400
#86A8A7
oklch(70.6% 0.037 194.1)
-
Step 500
500
#679391
oklch(63.1% 0.048 192.4)
-
Step 600
600 (this color)
#457573
oklch(52.8% 0.052 192.3)
-
Step 700
700
#3E6A68
oklch(49.2% 0.049 192)
-
Step 800
800
#335655
oklch(42.6% 0.041 193.4)
-
Step 900
900
#2D4746
oklch(37.7% 0.032 192.8)
-
Step 950
950
#1B2A29
oklch(27.1% 0.02 190.8)
#457573 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) | #707173 | 0.056 |
| Deuteranopia (no green cones) | #676A74 | 0.052 |
| Tritanopia (no blue cones) | #317874 | 0.019 |
| Achromatopsia (no color) | #6D6D6D | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #457573
#457573
oklch(52.8% 0.052 192.3)
- #875F63
#875F63
oklch(52.9% 0.053 12.4)
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 #457573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.037
- Bluegreen #017A79 ΔE 0.037
- Deep Turquoise #017374 ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.042
- Teal #008080 ΔE 0.043
- Metallic Blue #4F738E ΔE 0.048
- Slate #516572 ΔE 0.049
- Dim Gray #696969 ΔE 0.053
Use #457573 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.