#2D53BE
Closest named color: Blue Blue (#2242C7). oklch(48% 0.174 265.4), rgb(45, 83, 190).
Aa
White text reads best on this color (6.79:1).
About this color
#2D53BE is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.174 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.045 away. White text reads best on it, at 6.79:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.09:1 |
| White text | 6.79:1 |
Values
| HEX | #2D53BE |
| RGB | rgb(45, 83, 190) |
| HSL | hsl(224, 62%, 46%) |
| OKLCH | oklch(48% 0.174 265.4) |
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 #2D53BE | 6.79:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #2D53BE | 3.09:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #2D53BE text on white | 6.79:1 | AA | Lc 82.9 | Fine for body text |
| #2D53BE text on black | 3.09:1 | AA large text | Lc -19.0 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CAD9F9
oklch(88.4% 0.047 265.5)
-
Step 300
300
#A7C0F8
oklch(80.9% 0.084 265.9)
-
Step 400
400
#789DF4
oklch(70.6% 0.134 265.6)
-
Step 500
500
#5682F0
oklch(63% 0.172 265.4)
-
Step 600
600
#3D69DF
oklch(55.7% 0.187 265.3)
-
Step 700
700 (this color)
#2D53BE
oklch(48% 0.174 265.4)
-
Step 800
800
#28479D
oklch(42.7% 0.145 265.6)
-
Step 900
900
#243D7C
oklch(37.7% 0.111 265.2)
-
Step 950
950
#152449
oklch(27% 0.072 265.3)
#2D53BE 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) | #0062C2 | 0.039 |
| Deuteranopia (no green cones) | #0055BC | 0.023 |
| Tritanopia (no blue cones) | #006E80 | 0.138 |
| Achromatopsia (no color) | #5B5B5B | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D53BE
#2D53BE
oklch(48% 0.174 265.4)
- #775800
#775800
oklch(48% 0.098 84.7)
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 #2D53BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.045
- Warm Blue #4B57DB ΔE 0.059
- Majorelle Blue #3F37C9 ΔE 0.061
- Blue With A Hint Of Purple #533CC6 ΔE 0.065
- Mid Blue #276AB3 ΔE 0.065
- Iris #6258C4 ΔE 0.071
- Blurple #5539CC ΔE 0.072
- Azul #1D5DEC ΔE 0.074
Use #2D53BE 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.