#0056BC
Closest named color: Blue Blue (#2242C7). oklch(47.5% 0.176 258), rgb(0, 86, 188).
Aa
White text reads best on this color (6.86:1).
About this color
#0056BC is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.176 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.049 away. White text reads best on it, at 6.86:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.05:1 |
| White text | 6.86:1 |
Values
| HEX | #0056BC |
| RGB | rgb(0, 86, 188) |
| HSL | hsl(213, 100%, 37%) |
| OKLCH | oklch(47.5% 0.176 258) |
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 #0056BC | 6.86:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #0056BC | 3.05:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #0056BC text on white | 6.86:1 | AA | Lc 82.9 | Fine for body text |
| #0056BC text on black | 3.05:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C6DBF9
oklch(88.5% 0.047 257.3)
-
Step 300
300
#9FC3F8
oklch(81% 0.085 257.9)
-
Step 400
400
#69A1F4
oklch(70.6% 0.136 258.1)
-
Step 500
500
#3E87F0
oklch(63.1% 0.174 257.9)
-
Step 600
600
#196EDF
oklch(55.6% 0.189 258)
-
Step 700
700 (this color)
#0056BC
oklch(47.5% 0.176 258)
-
Step 800
800
#0E4B9C
oklch(42.7% 0.145 258)
-
Step 900
900
#15407C
oklch(37.8% 0.112 257.7)
-
Step 950
950
#0E2649
oklch(27.1% 0.072 258)
#0056BC 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) | #0062C0 | 0.032 |
| Deuteranopia (no green cones) | #0053BA | 0.008 |
| Tritanopia (no blue cones) | #007080 | 0.134 |
| Achromatopsia (no color) | #5A5A5A | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0056BC
#0056BC
oklch(47.5% 0.176 258)
- #7A5400
#7A5400
oklch(47.5% 0.099 78.4)
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 #0056BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.049
- Mid Blue #276AB3 ΔE 0.063
- Sapphire #2138AB ΔE 0.075
- Majorelle Blue #3F37C9 ΔE 0.076
- Dusk Blue #26538D ΔE 0.076
- Warm Blue #4B57DB ΔE 0.076
- Cobalt #1E488F ΔE 0.078
- Azul #1D5DEC ΔE 0.079
Use #0056BC 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.