#43777C
Closest named color: Deep Aqua (#08787F). oklch(53.5% 0.056 203.6), rgb(67, 119, 124).
Aa
White text reads best on this color (5.03:1).
About this color
#43777C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.056 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.034 away. White text reads best on it, at 5.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.16:1 |
| White text | 5.03:1 |
Values
| HEX | #43777C |
| RGB | rgb(67, 119, 124) |
| HSL | hsl(185, 30%, 37%) |
| OKLCH | oklch(53.5% 0.056 203.6) |
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 #43777C | 5.03:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #43777C | 4.16:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #43777C text on white | 5.03:1 | AA | Lc 74.7 | Content text, not long reading |
| #43777C text on black | 4.16:1 | AA large text | Lc -27.0 | 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 600.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#CFDCDD
oklch(88.5% 0.014 202.4)
-
Step 300
300
#AFC6C8
oklch(81% 0.025 203)
-
Step 400
400
#84A8AC
oklch(70.6% 0.04 204.7)
-
Step 500
500
#639398
oklch(63.1% 0.052 204.2)
-
Step 600
600 (this color)
#43777C
oklch(53.5% 0.056 203.6)
-
Step 700
700
#3A6A6E
oklch(49.2% 0.053 202.6)
-
Step 800
800
#31565A
oklch(42.7% 0.043 204.5)
-
Step 900
900
#2B474A
oklch(37.7% 0.034 204.4)
-
Step 950
950
#1A2A2B
oklch(27.1% 0.021 200.9)
#43777C 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) | #70737C | 0.056 |
| Deuteranopia (no green cones) | #666C7C | 0.051 |
| Tritanopia (no blue cones) | #277B78 | 0.026 |
| Achromatopsia (no color) | #6F6F6F | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43777C
#43777C
oklch(53.5% 0.056 203.6)
- #8B615E
#8B615E
oklch(53.6% 0.055 23.7)
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 #43777C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.034
- Bluegreen #017A79 ΔE 0.037
- Metallic Blue #4F738E ΔE 0.038
- Teal #008080 ΔE 0.039
- Ocean #017B92 ΔE 0.043
- Deep Turquoise #017374 ΔE 0.044
- Dark Aquamarine #017371 ΔE 0.046
- Battleship Gray #6C757D ΔE 0.050
Use #43777C 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.