#43787C
Closest named color: Deep Aqua (#08787F). oklch(53.8% 0.057 201.9), rgb(67, 120, 124).
Aa
White text reads best on this color (4.98:1).
About this color
#43787C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.057 and its hue 202°. 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 4.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.21:1 |
| White text | 4.98:1 |
Values
| HEX | #43787C |
| RGB | rgb(67, 120, 124) |
| HSL | hsl(184, 30%, 37%) |
| OKLCH | oklch(53.8% 0.057 201.9) |
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 #43787C | 4.98:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #43787C | 4.21:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #43787C text on white | 4.98:1 | AA | Lc 74.4 | Content text, not long reading |
| #43787C text on black | 4.21:1 | AA large text | Lc -27.4 | 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
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDD
oklch(88.5% 0.014 202.4)
-
Step 300
300
#AEC6C8
oklch(80.9% 0.026 202.8)
-
Step 400
400
#83A9AB
oklch(70.8% 0.041 200.3)
-
Step 500
500
#639397
oklch(63.1% 0.052 202.5)
-
Step 600
600 (this color)
#43787C
oklch(53.8% 0.057 201.9)
-
Step 700
700
#396A6D
oklch(49.1% 0.053 200.7)
-
Step 800
800
#305659
oklch(42.6% 0.044 202.2)
-
Step 900
900
#2B4749
oklch(37.7% 0.034 201.6)
-
Step 950
950
#1A2A2B
oklch(27.1% 0.021 200.9)
#43787C 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) | #71747C | 0.058 |
| Deuteranopia (no green cones) | #676D7C | 0.052 |
| Tritanopia (no blue cones) | #277C79 | 0.025 |
| Achromatopsia (no color) | #707070 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43787C
#43787C
oklch(53.8% 0.057 201.9)
- #8C615F
#8C615F
oklch(53.7% 0.056 22.1)
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 #43787C, 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
- Teal #008080 ΔE 0.037
- Metallic Blue #4F738E ΔE 0.039
- Ocean #017B92 ΔE 0.043
- Deep Turquoise #017374 ΔE 0.045
- Dark Aquamarine #017371 ΔE 0.047
- Battleship Gray #6C757D ΔE 0.050
Use #43787C 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.