#43777F
Closest named color: Metallic Blue (#4F738E). oklch(53.6% 0.057 208.3), rgb(67, 119, 127).
Aa
White text reads best on this color (5.01:1).
About this color
#43777F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.057 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.033 away. White text reads best on it, at 5.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #43777F |
| RGB | rgb(67, 119, 127) |
| HSL | hsl(188, 31%, 38%) |
| OKLCH | oklch(53.6% 0.057 208.3) |
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 #43777F | 5.01:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #43777F | 4.18:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #43777F text on white | 5.01:1 | AA | Lc 74.6 | Content text, not long reading |
| #43777F text on black | 4.18:1 | AA large text | Lc -27.1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AEC6C9
oklch(80.9% 0.026 205.8)
-
Step 400
400
#83A8AE
oklch(70.6% 0.041 208.5)
-
Step 500
500
#63939A
oklch(63.2% 0.053 207.4)
-
Step 600
600 (this color)
#43777F
oklch(53.6% 0.057 208.3)
-
Step 700
700
#3A6971
oklch(49.1% 0.053 209.6)
-
Step 800
800
#30565C
oklch(42.7% 0.044 208.6)
-
Step 900
900
#2B474B
oklch(37.7% 0.034 207.2)
-
Step 950
950
#1A292C
oklch(26.9% 0.021 211.4)
#43777F 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) | #6F7380 | 0.055 |
| Deuteranopia (no green cones) | #656C7F | 0.050 |
| Tritanopia (no blue cones) | #257B79 | 0.029 |
| Achromatopsia (no color) | #6F6F6F | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43777F
#43777F
oklch(53.6% 0.057 208.3)
- #8C615B
#8C615B
oklch(53.6% 0.057 28)
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 #43777F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.033
- Deep Aqua #08787F ΔE 0.034
- Bluegreen #017A79 ΔE 0.039
- Teal #008080 ΔE 0.040
- Ocean #017B92 ΔE 0.040
- Deep Turquoise #017374 ΔE 0.046
- Cerulean #457B9D ΔE 0.047
- Dark Aquamarine #017371 ΔE 0.048
Use #43777F 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.