#215AC3
Closest named color: Mid Blue (#276AB3). oklch(49.5% 0.175 261.3), rgb(33, 90, 195).
Aa
White text reads best on this color (6.33:1).
About this color
#215AC3 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.175 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.053 away. White text reads best on it, at 6.33:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.175) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #215AC3 |
| RGB | rgb(33, 90, 195) |
| HSL | hsl(219, 71%, 45%) |
| OKLCH | oklch(49.5% 0.175 261.3) |
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 #215AC3 | 6.33:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #215AC3 | 3.31:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #215AC3 text on white | 6.33:1 | AA | Lc 80.9 | Fine for body text |
| #215AC3 text on black | 3.31:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAF9
oklch(88.5% 0.047 261.4)
-
Step 300
300
#A2C2F8
oklch(81% 0.084 260.7)
-
Step 400
400
#70A0F5
oklch(70.8% 0.135 261.2)
-
Step 500
500
#4A85F1
oklch(63.2% 0.174 261.3)
-
Step 600
600
#2D6CDF
oklch(55.7% 0.187 261.2)
-
Step 700
700 (this color)
#215AC3
oklch(49.5% 0.175 261.3)
-
Step 800
800
#1C499D
oklch(42.6% 0.146 261.4)
-
Step 900
900
#1D3E7C
oklch(37.6% 0.112 261.6)
-
Step 950
950
#112549
oklch(27% 0.072 261.1)
#215AC3 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) | #0067C7 | 0.033 |
| Deuteranopia (no green cones) | #0059C1 | 0.015 |
| Tritanopia (no blue cones) | #007486 | 0.134 |
| Achromatopsia (no color) | #606060 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #215AC3
#215AC3
oklch(49.5% 0.175 261.3)
- #7F5A00
#7F5A00
oklch(49.4% 0.102 80.7)
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 #215AC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.053
- Warm Blue #4B57DB ΔE 0.056
- Blue Blue #2242C7 ΔE 0.057
- Azul #1D5DEC ΔE 0.064
- Royal Blue #4169E1 ΔE 0.068
- French Blue #436BAD ΔE 0.071
- Iris #6258C4 ΔE 0.074
- Majorelle Blue #3F37C9 ΔE 0.077
Use #215AC3 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.