#2D737E
Closest named color: Deep Aqua (#08787F). oklch(51.6% 0.071 209.4), rgb(45, 115, 126).
Aa
White text reads best on this color (5.43:1).
About this color
#2D737E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.071 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.020 away. White text reads best on it, at 5.43:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #2D737E |
| RGB | rgb(45, 115, 126) |
| HSL | hsl(188, 47%, 34%) |
| OKLCH | oklch(51.6% 0.071 209.4) |
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 #2D737E | 5.43:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #2D737E | 3.86:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #2D737E text on white | 5.43:1 | AA | Lc 76.9 | Fine for body text |
| #2D737E text on black | 3.86:1 | AA large text | Lc -24.9 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDE0
oklch(88.6% 0.019 209.4)
-
Step 300
300
#A8C7CD
oklch(80.9% 0.034 210.7)
-
Step 400
400
#78AAB3
oklch(70.6% 0.054 209.9)
-
Step 500
500
#5295A1
oklch(63% 0.07 210.4)
-
Step 600
600
#33808C
oklch(55.7% 0.077 209.3)
-
Step 700
700 (this color)
#2D737E
oklch(51.6% 0.071 209.4)
-
Step 800
800
#205860
oklch(42.7% 0.059 208.2)
-
Step 900
900
#21484F
oklch(37.6% 0.046 210.7)
-
Step 950
950
#142A2E
oklch(26.9% 0.029 210.5)
#2D737E 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) | #696F7F | 0.067 |
| Deuteranopia (no green cones) | #5D667E | 0.061 |
| Tritanopia (no blue cones) | #007876 | 0.029 |
| Achromatopsia (no color) | #6A6A6A | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D737E
#2D737E
oklch(51.6% 0.071 209.4)
- #8C5850
#8C5850
oklch(51.6% 0.071 29.2)
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 #2D737E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.020
- Deep Turquoise #017374 ΔE 0.027
- Bluegreen #017A79 ΔE 0.030
- Dark Aquamarine #017371 ΔE 0.031
- Ocean #017B92 ΔE 0.034
- Sea Blue #047495 ΔE 0.038
- Teal #008080 ΔE 0.040
- Metallic Blue #4F738E ΔE 0.044
Use #2D737E 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.