#3D89AF
Closest named color: Blue NCS (#118AB2). oklch(59.9% 0.094 233.2), rgb(61, 137, 175).
Aa
Black text reads best on this color (5.39:1).
About this color
#3D89AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.094 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.021 away. Black text reads best on it, at 5.39:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #3D89AF |
| RGB | rgb(61, 137, 175) |
| HSL | hsl(200, 48%, 46%) |
| OKLCH | oklch(59.9% 0.094 233.2) |
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 #3D89AF | 3.89:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #3D89AF | 5.39:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #3D89AF text on white | 3.89:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #3D89AF text on black | 5.39:1 | AA | Lc -35.5 | 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 500.
-
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
#C9DCE8
oklch(88.4% 0.026 235.4)
-
Step 300
300
#A4C6DA
oklch(80.8% 0.046 233.9)
-
Step 400
400
#71A9C8
oklch(70.8% 0.074 233.5)
-
Step 500
500 (this color)
#3D89AF
oklch(59.9% 0.094 233.2)
-
Step 600
600
#237DA5
oklch(55.7% 0.102 232.6)
-
Step 700
700
#13698E
oklch(49.1% 0.095 233.2)
-
Step 800
800
#155673
oklch(42.8% 0.079 232.7)
-
Step 900
900
#1A475D
oklch(37.7% 0.061 233)
-
Step 950
950
#112A36
oklch(27.1% 0.038 231.3)
#3D89AF 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) | #7688B1 | 0.061 |
| Deuteranopia (no green cones) | #677CAE | 0.052 |
| Tritanopia (no blue cones) | #009396 | 0.061 |
| Achromatopsia (no color) | #818181 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D89AF
#3D89AF
oklch(59.9% 0.094 233.2)
- #AC6F48
#AC6F48
oklch(59.8% 0.095 52.6)
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 #3D89AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.021
- Steel Blue #4682B4 ΔE 0.024
- Cool Blue #4984B8 ΔE 0.025
- Off Blue #5684AE ΔE 0.025
- Dusty Blue #5A86AD ΔE 0.027
- Teal Blue #01889F ΔE 0.038
- Cerulean #457B9D ΔE 0.043
- Stormy Blue #507B9C ΔE 0.043
Use #3D89AF 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.