#2D5DA9
Closest named color: Mid Blue (#276AB3). oklch(48.6% 0.133 259.3), rgb(45, 93, 169).
Aa
White text reads best on this color (6.46:1).
About this color
#2D5DA9 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.133 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.037 away. White text reads best on it, at 6.46:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.25:1 |
| White text | 6.46:1 |
Values
| HEX | #2D5DA9 |
| RGB | rgb(45, 93, 169) |
| HSL | hsl(217, 58%, 42%) |
| OKLCH | oklch(48.6% 0.133 259.3) |
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 #2D5DA9 | 6.46:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #2D5DA9 | 3.25:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #2D5DA9 text on white | 6.46:1 | AA | Lc 81.7 | Fine for body text |
| #2D5DA9 text on black | 3.25:1 | AA large text | Lc -20.2 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CBDAF1
oklch(88.4% 0.036 258.9)
-
Step 300
300
#A8C2EB
oklch(80.9% 0.065 259.4)
-
Step 400
400
#7AA2E1
oklch(70.8% 0.103 259.2)
-
Step 500
500
#5789D8
oklch(63.1% 0.131 259.2)
-
Step 600
600
#3C71C5
oklch(55.5% 0.143 259.3)
-
Step 700
700 (this color)
#2D5DA9
oklch(48.6% 0.133 259.3)
-
Step 800
800
#274E8A
oklch(42.8% 0.109 258.8)
-
Step 900
900
#24416E
oklch(37.7% 0.085 258.9)
-
Step 950
950
#162641
oklch(27% 0.055 260.3)
#2D5DA9 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) | #3764AC | 0.023 |
| Deuteranopia (no green cones) | #1F59A7 | 0.017 |
| Tritanopia (no blue cones) | #006F7B | 0.104 |
| Achromatopsia (no color) | #5E5E5E | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5DA9
#2D5DA9
oklch(48.6% 0.133 259.3)
- #7D5700
#7D5700
oklch(48.5% 0.101 79.2)
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 #2D5DA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.038
- Dusky Blue #475F94 ΔE 0.044
- French Blue #436BAD ΔE 0.048
- Peacock Blue #016795 ΔE 0.051
- Dusk Blue #26538D ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.053
- Denim #3B638C ΔE 0.055
Use #2D5DA9 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.