#2B5EDC
Closest named color: Azul (#1D5DEC). oklch(52.6% 0.201 264), rgb(43, 94, 220).
Aa
White text reads best on this color (5.61:1).
About this color
#2B5EDC is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.201 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.026 away. White text reads best on it, at 5.61:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.201) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.73:1 |
| White text | 5.61:1 |
Values
| HEX | #2B5EDC |
| RGB | rgb(43, 94, 220) |
| HSL | hsl(223, 72%, 52%) |
| OKLCH | oklch(52.6% 0.201 264) |
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 #2B5EDC | 5.61:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #2B5EDC | 3.73:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #2B5EDC text on white | 5.61:1 | AA | Lc 77.5 | Fine for body text |
| #2B5EDC text on black | 3.73:1 | AA large text | Lc -24.3 | 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
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A3C0FC
oklch(80.8% 0.091 264.4)
-
Step 400
400
#729EFA
oklch(70.8% 0.144 263.8)
-
Step 500
500
#4E82F7
oklch(63.1% 0.184 263.9)
-
Step 600
600 (this color)
#2B5EDC
oklch(52.6% 0.201 264)
-
Step 700
700
#2755C8
oklch(49% 0.186 264.1)
-
Step 800
800
#2147A2
oklch(42.8% 0.154 263.9)
-
Step 900
900
#1F3C80
oklch(37.6% 0.12 264.1)
-
Step 950
950
#13244B
oklch(27% 0.076 264.2)
#2B5EDC 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) | #0070E0 | 0.044 |
| Deuteranopia (no green cones) | #0060DA | 0.018 |
| Tritanopia (no blue cones) | #007E94 | 0.156 |
| Achromatopsia (no color) | #676767 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B5EDC
#2B5EDC
oklch(52.6% 0.201 264)
- #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 #2B5EDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.026
- Warm Blue #4B57DB ΔE 0.033
- Royal Blue #4169E1 ΔE 0.037
- Neon Blue #4361EE ΔE 0.038
- Cerulean Blue #056EEE ΔE 0.045
- Bright Blue #0165FC ΔE 0.052
- Electric Blue #0652FF ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.070
Use #2B5EDC 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.