#2D5FDA
Closest named color: Azul (#1D5DEC). oklch(52.7% 0.196 264), rgb(45, 95, 218).
Aa
White text reads best on this color (5.58:1).
About this color
#2D5FDA is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.196 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.030 away. White text reads best on it, at 5.58:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.76:1 |
| White text | 5.58:1 |
Values
| HEX | #2D5FDA |
| RGB | rgb(45, 95, 218) |
| HSL | hsl(223, 70%, 52%) |
| OKLCH | oklch(52.7% 0.196 264) |
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 #2D5FDA | 5.58:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #2D5FDA | 3.76:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #2D5FDA text on white | 5.58:1 | AA | Lc 77.3 | Fine for body text |
| #2D5FDA text on black | 3.76:1 | AA large text | Lc -24.5 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9DAFB
oklch(88.6% 0.049 263.7)
-
Step 300
300
#A4C1FB
oklch(81% 0.088 263.9)
-
Step 400
400
#739EF8
oklch(70.7% 0.141 263.8)
-
Step 500
500
#5082F5
oklch(63.1% 0.181 264.2)
-
Step 600
600 (this color)
#2D5FDA
oklch(52.7% 0.196 264)
-
Step 700
700
#2856C6
oklch(49.1% 0.182 264)
-
Step 800
800
#2247A0
oklch(42.7% 0.151 264)
-
Step 900
900
#203D7F
oklch(37.7% 0.117 263.8)
-
Step 950
950
#13244A
oklch(26.9% 0.074 264)
#2D5FDA 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) | #0070DE | 0.042 |
| Deuteranopia (no green cones) | #0060D8 | 0.020 |
| Tritanopia (no blue cones) | #007E93 | 0.153 |
| Achromatopsia (no color) | #686868 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5FDA
#2D5FDA
oklch(52.7% 0.196 264)
- #886400
#886400
oklch(52.6% 0.108 83.8)
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 #2D5FDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.030
- Warm Blue #4B57DB ΔE 0.033
- Royal Blue #4169E1 ΔE 0.035
- Neon Blue #4361EE ΔE 0.038
- Cerulean Blue #056EEE ΔE 0.046
- Bright Blue #0165FC ΔE 0.054
- Electric Blue #0652FF ΔE 0.066
- Dark Periwinkle #665FD1 ΔE 0.068
Use #2D5FDA 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.