#33598F
Closest named color: Denim Blue (#3B5B92). oklch(46.3% 0.099 257.4), rgb(51, 89, 143).
Aa
White text reads best on this color (7.07:1).
About this color
#33598F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.099 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.012 away. White text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #33598F |
| RGB | rgb(51, 89, 143) |
| HSL | hsl(215, 47%, 38%) |
| OKLCH | oklch(46.3% 0.099 257.4) |
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 #33598F | 7.07:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #33598F | 2.96:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #33598F text on white | 7.07:1 | AAA | Lc 84.3 | Fine for body text |
| #33598F text on black | 2.96:1 | Fails | Lc -17.6 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CEDAEB
oklch(88.4% 0.027 257)
-
Step 300
300
#AEC2E0
oklch(80.9% 0.048 258.4)
-
Step 400
400
#83A2D0
oklch(70.6% 0.076 258.1)
-
Step 500
500
#638BC4
oklch(63.1% 0.097 257.3)
-
Step 600
600
#4A74B1
oklch(55.6% 0.106 257.7)
-
Step 700
700 (this color)
#33598F
oklch(46.3% 0.099 257.4)
-
Step 800
800
#31507B
oklch(42.8% 0.081 256.8)
-
Step 900
900
#2B4263
oklch(37.6% 0.064 257.4)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#33598F 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) | #425D91 | 0.022 |
| Deuteranopia (no green cones) | #35548E | 0.014 |
| Tritanopia (no blue cones) | #00656D | 0.081 |
| Achromatopsia (no color) | #585858 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33598F
#33598F
oklch(46.3% 0.099 257.4)
- #765000
#765000
oklch(46.1% 0.096 77.2)
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 #33598F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.012
- Light Navy Blue #2E5A88 ΔE 0.014
- Dusk Blue #26538D ΔE 0.023
- Dusky Blue #475F94 ΔE 0.032
- Denim #3B638C ΔE 0.034
- Twilight #4E518B ΔE 0.038
- Dusk #4E5481 ΔE 0.039
- Light Navy #155084 ΔE 0.043
Use #33598F 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.