#2D6789
Closest named color: Denim (#3B638C). oklch(49.1% 0.081 237.4), rgb(45, 103, 137).
Aa
White text reads best on this color (6.15:1).
About this color
#2D6789 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.081 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.018 away. White text reads best on it, at 6.15:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #2D6789 |
| RGB | rgb(45, 103, 137) |
| HSL | hsl(202, 51%, 36%) |
| OKLCH | oklch(49.1% 0.081 237.4) |
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 #2D6789 | 6.15:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #2D6789 | 3.41:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #2D6789 text on white | 6.15:1 | AA | Lc 80.5 | Fine for body text |
| #2D6789 text on black | 3.41:1 | AA large text | Lc -21.4 | 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 700.
-
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
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#AAC5D7
oklch(80.9% 0.039 237.2)
-
Step 400
400
#7BA7C3
oklch(70.7% 0.063 236.7)
-
Step 500
500
#5891B4
oklch(63.1% 0.08 236.9)
-
Step 600
600
#3B7BA0
oklch(55.7% 0.087 236.6)
-
Step 700
700 (this color)
#2D6789
oklch(49.1% 0.081 237.4)
-
Step 800
800
#27546F
oklch(42.7% 0.067 237.5)
-
Step 900
900
#24465A
oklch(37.8% 0.052 236.3)
-
Step 950
950
#162935
oklch(27.1% 0.033 237.5)
#2D6789 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) | #57678B | 0.047 |
| Deuteranopia (no green cones) | #4A5D88 | 0.039 |
| Tritanopia (no blue cones) | #007073 | 0.056 |
| Achromatopsia (no color) | #616161 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D6789
#2D6789
oklch(49.1% 0.081 237.4)
- #83542F
#83542F
oklch(49% 0.081 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 #2D6789, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.018
- Peacock Blue #016795 ΔE 0.027
- Ocean Blue #03719C ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.039
- Sea Blue #047495 ΔE 0.039
- Dusky Blue #475F94 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.043
- YInMn Blue #415A77 ΔE 0.043
Use #2D6789 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.