#057783
Closest named color: Deep Aqua (#08787F). oklch(52.1% 0.088 207.2), rgb(5, 119, 131).
Aa
White text reads best on this color (5.28:1).
About this color
#057783 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.088 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.008 away. White text reads best on it, at 5.28:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #057783 |
| RGB | rgb(5, 119, 131) |
| HSL | hsl(186, 93%, 27%) |
| OKLCH | oklch(52.1% 0.088 207.2) |
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 #057783 | 5.28:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #057783 | 3.97:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #057783 text on white | 5.28:1 | AA | Lc 75.8 | Fine for body text |
| #057783 text on black | 3.97:1 | AA large text | Lc -26.0 | 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 700.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C8DEE1
oklch(88.5% 0.024 206.6)
-
Step 300
300
#A1C9CF
oklch(80.9% 0.043 207.6)
-
Step 400
400
#6BADB6
oklch(70.7% 0.068 206.8)
-
Step 500
500
#3C98A4
oklch(63% 0.087 207.1)
-
Step 600
600
#028290
oklch(55.5% 0.095 208.1)
-
Step 700
700 (this color)
#057783
oklch(52.1% 0.088 207.2)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#124A51
oklch(37.7% 0.057 207.2)
-
Step 950
950
#0D2B2F
oklch(26.9% 0.036 207.2)
#057783 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) | #6B7284 | 0.085 |
| Deuteranopia (no green cones) | #5C6783 | 0.077 |
| Tritanopia (no blue cones) | #007D7B | 0.026 |
| Achromatopsia (no color) | #6C6C6C | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #057783
#057783
oklch(52.1% 0.088 207.2)
- #95544D
#95544D
oklch(52% 0.088 27)
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 #057783, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.008
- Bluegreen #017A79 ΔE 0.021
- Ocean #017B92 ΔE 0.024
- Deep Turquoise #017374 ΔE 0.025
- Dark Aquamarine #017371 ΔE 0.029
- Teal #008080 ΔE 0.030
- Sea Blue #047495 ΔE 0.033
- Ocean Blue #03719C ΔE 0.049
Use #057783 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.