#2D759F
Closest named color: Muted Blue (#3B719F). oklch(53.7% 0.096 238.1), rgb(45, 117, 159).
Aa
White text reads best on this color (5.05:1).
About this color
#2D759F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.096 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.015 away. White text reads best on it, at 5.05:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #2D759F |
| RGB | rgb(45, 117, 159) |
| HSL | hsl(202, 56%, 40%) |
| OKLCH | oklch(53.7% 0.096 238.1) |
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 #2D759F | 5.05:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #2D759F | 4.15:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #2D759F text on white | 5.05:1 | AA | Lc 74.6 | Content text, not long reading |
| #2D759F text on black | 4.15:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CBDCE8
oklch(88.5% 0.025 238.4)
-
Step 300
300
#A7C5DA
oklch(80.8% 0.044 238.6)
-
Step 400
400
#77A7C7
oklch(70.6% 0.07 238.2)
-
Step 500
500
#5291B9
oklch(63.1% 0.089 238.2)
-
Step 600
600 (this color)
#2D759F
oklch(53.7% 0.096 238.1)
-
Step 700
700
#25678E
oklch(49% 0.091 238.7)
-
Step 800
800
#215473
oklch(42.6% 0.075 238.8)
-
Step 900
900
#21465D
oklch(37.8% 0.058 238.2)
-
Step 950
950
#142936
oklch(27% 0.036 237.4)
#2D759F 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) | #6175A1 | 0.054 |
| Deuteranopia (no green cones) | #526A9E | 0.044 |
| Tritanopia (no blue cones) | #008083 | 0.066 |
| Achromatopsia (no color) | #6F6F6F | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D759F
#2D759F
oklch(53.7% 0.096 238.1)
- #975E30
#975E30
oklch(53.6% 0.096 57.5)
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 #2D759F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.015
- Flat Blue #3C73A8 ΔE 0.021
- Ocean Blue #03719C ΔE 0.024
- Dull Blue #49759C ΔE 0.025
- Sea Blue #047495 ΔE 0.025
- Nice Blue #107AB0 ΔE 0.028
- Cerulean #457B9D ΔE 0.030
- Ocean #017B92 ΔE 0.035
Use #2D759F 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.