#3088AF
Closest named color: Blue NCS (#118AB2). oklch(59.2% 0.101 231.4), rgb(48, 136, 175).
Aa
Black text reads best on this color (5.26:1).
About this color
#3088AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.101 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.013 away. Black text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #3088AF |
| RGB | rgb(48, 136, 175) |
| HSL | hsl(198, 57%, 44%) |
| OKLCH | oklch(59.2% 0.101 231.4) |
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 #3088AF | 3.98:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #3088AF | 5.26:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #3088AF text on white | 3.98:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #3088AF text on black | 5.26:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A4C7D9
oklch(81% 0.045 230.4)
-
Step 400
400
#71A9C6
oklch(70.7% 0.072 231.7)
-
Step 500
500
#4793B8
oklch(63% 0.093 232)
-
Step 600
600 (this color)
#3088AF
oklch(59.2% 0.101 231.4)
-
Step 700
700
#12698C
oklch(49% 0.094 231.6)
-
Step 800
800
#145672
oklch(42.7% 0.078 231.6)
-
Step 900
900
#1A475C
oklch(37.7% 0.06 231.8)
-
Step 950
950
#112A36
oklch(27.1% 0.038 231.3)
#3088AF 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) | #7486B1 | 0.067 |
| Deuteranopia (no green cones) | #637AAE | 0.057 |
| Tritanopia (no blue cones) | #009395 | 0.062 |
| Achromatopsia (no color) | #7F7F7F | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3088AF
#3088AF
oklch(59.2% 0.101 231.4)
- #AD6B43
#AD6B43
oklch(59.1% 0.101 51)
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 #3088AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.013
- Steel Blue #4682B4 ΔE 0.025
- Cool Blue #4984B8 ΔE 0.028
- Off Blue #5684AE ΔE 0.032
- Teal Blue #01889F ΔE 0.032
- Dusty Blue #5A86AD ΔE 0.035
- Cerulean #457B9D ΔE 0.041
- Stormy Blue #507B9C ΔE 0.044
Use #3088AF 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.