#2C88B2
Closest named color: Blue NCS (#118AB2). oklch(59.2% 0.105 232.6), rgb(44, 136, 178).
Aa
Black text reads best on this color (5.27:1).
About this color
#2C88B2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.105 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.011 away. Black text reads best on it, at 5.27:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Values
| HEX | #2C88B2 |
| RGB | rgb(44, 136, 178) |
| HSL | hsl(199, 60%, 44%) |
| OKLCH | oklch(59.2% 0.105 232.6) |
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 #2C88B2 | 3.98:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #2C88B2 | 5.27:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #2C88B2 text on white | 3.98:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #2C88B2 text on black | 5.27:1 | AA | Lc -34.8 | Non-text elements, placeholder text |
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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE8
oklch(88.6% 0.026 231.7)
-
Step 300
300
#A3C7DB
oklch(81% 0.048 232.5)
-
Step 400
400
#6FA9C8
oklch(70.6% 0.076 232.7)
-
Step 500
500
#4493BA
oklch(63% 0.097 232.7)
-
Step 600
600 (this color)
#2C88B2
oklch(59.2% 0.105 232.6)
-
Step 700
700
#0A698F
oklch(49% 0.098 233)
-
Step 800
800
#105674
oklch(42.7% 0.081 232.7)
-
Step 900
900
#18475E
oklch(37.7% 0.064 233.4)
-
Step 950
950
#102A37
oklch(27.1% 0.04 232.6)
#2C88B2 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) | #7387B4 | 0.068 |
| Deuteranopia (no green cones) | #617AB1 | 0.057 |
| Tritanopia (no blue cones) | #009396 | 0.064 |
| Achromatopsia (no color) | #7F7F7F | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C88B2
#2C88B2
oklch(59.2% 0.105 232.6)
- #AF6B3E
#AF6B3E
oklch(59.3% 0.106 52.8)
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 #2C88B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.011
- Steel Blue #4682B4 ΔE 0.024
- Cool Blue #4984B8 ΔE 0.027
- Off Blue #5684AE ΔE 0.034
- Teal Blue #01889F ΔE 0.035
- Dusty Blue #5A86AD ΔE 0.037
- Water Blue #0E87CC ΔE 0.042
- Cerulean #457B9D ΔE 0.043
Use #2C88B2 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.