#0059CC
Closest named color: Blue Blue (#2242C7). oklch(49.4% 0.193 259.1), rgb(0, 89, 204).
Aa
White text reads best on this color (6.36:1).
About this color
#0059CC is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.193 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.052 away. White text reads best on it, at 6.36:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.30:1 |
| White text | 6.36:1 |
Values
| HEX | #0059CC |
| RGB | rgb(0, 89, 204) |
| HSL | hsl(214, 100%, 40%) |
| OKLCH | oklch(49.4% 0.193 259.1) |
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 #0059CC | 6.36:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #0059CC | 3.30:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #0059CC text on white | 6.36:1 | AA | Lc 80.7 | Fine for body text |
| #0059CC text on black | 3.30:1 | AA large text | Lc -21.1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C5DBFC
oklch(88.6% 0.051 258.4)
-
Step 300
300
#9CC2FD
oklch(80.8% 0.094 259)
-
Step 400
400
#65A0FC
oklch(70.6% 0.149 259)
-
Step 500
500
#3985FA
oklch(63.1% 0.19 259.1)
-
Step 600
600
#0F6BE9
oklch(55.6% 0.207 259)
-
Step 700
700 (this color)
#0059CC
oklch(49.4% 0.193 259.1)
-
Step 800
800
#0749A4
oklch(42.8% 0.159 259)
-
Step 900
900
#113E82
oklch(37.7% 0.125 259.1)
-
Step 950
950
#0C254C
oklch(27% 0.079 259.2)
#0059CC 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) | #0068D0 | 0.039 |
| Deuteranopia (no green cones) | #0057CA | 0.006 |
| Tritanopia (no blue cones) | #00768A | 0.145 |
| Achromatopsia (no color) | #5F5F5F | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0059CC
#0059CC
oklch(49.4% 0.193 259.1)
- #805900
#805900
oklch(49.3% 0.102 79)
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 #0059CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.052
- Azul #1D5DEC ΔE 0.053
- Warm Blue #4B57DB ΔE 0.059
- Mid Blue #276AB3 ΔE 0.067
- Royal Blue #4169E1 ΔE 0.070
- Cerulean Blue #056EEE ΔE 0.073
- Neon Blue #4361EE ΔE 0.074
- Majorelle Blue #3F37C9 ΔE 0.076
Use #0059CC 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.