#2D5FAC
Closest named color: Mid Blue (#276AB3). oklch(49.2% 0.135 258.9), rgb(45, 95, 172).
Aa
White text reads best on this color (6.27:1).
About this color
#2D5FAC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.135 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.030 away. White text reads best on it, at 6.27:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #2D5FAC |
| RGB | rgb(45, 95, 172) |
| HSL | hsl(216, 59%, 43%) |
| OKLCH | oklch(49.2% 0.135 258.9) |
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 #2D5FAC | 6.27:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #2D5FAC | 3.34:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #2D5FAC text on white | 6.27:1 | AA | Lc 80.9 | Fine for body text |
| #2D5FAC text on black | 3.34:1 | AA large text | Lc -20.9 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EAF7
oklch(93.5% 0.02 260.2)
-
Step 200
200
#CBDAF2
oklch(88.5% 0.037 259.8)
-
Step 300
300
#A8C2EB
oklch(80.9% 0.065 259.4)
-
Step 400
400
#79A2E1
oklch(70.8% 0.103 258.8)
-
Step 500
500
#5689D9
oklch(63.1% 0.133 259.1)
-
Step 600
600
#3A71C6
oklch(55.5% 0.145 258.9)
-
Step 700
700 (this color)
#2D5FAC
oklch(49.2% 0.135 258.9)
-
Step 800
800
#264E8B
oklch(42.8% 0.111 258.7)
-
Step 900
900
#23416F
oklch(37.7% 0.087 258.7)
-
Step 950
950
#152641
oklch(26.9% 0.056 259.3)
#2D5FAC 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) | #3866AF | 0.024 |
| Deuteranopia (no green cones) | #205BAA | 0.016 |
| Tritanopia (no blue cones) | #00717D | 0.105 |
| Achromatopsia (no color) | #606060 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5FAC
#2D5FAC
oklch(49.2% 0.135 258.9)
- #805900
#805900
oklch(49.3% 0.102 79)
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 #2D5FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.030
- Denim Blue #3B5B92 ΔE 0.042
- French Blue #436BAD ΔE 0.043
- Dusky Blue #475F94 ΔE 0.046
- Peacock Blue #016795 ΔE 0.052
- Denim #3B638C ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.058
- Dusk Blue #26538D ΔE 0.058
Use #2D5FAC 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.